Siemens SINUMERIK 808D Function Manual

Function Manual
280 01/2017
Addressing the global user data
Addressing starts with the path section gud, followed by the specification of the area CHANNEL. This address section is
followed by the specification of the GUD areas:
GUD areas
Assignment
sgud
Siemens GUD
mgud
Machine manufacturer GUD
ugud
User GUD
Then enter the GUD name. If an array is to be addressed, the name is
followed by the array subscript in square brackets.
Example:
<data name ="gud/channel/mgud/syg_rm[0]">1</data>
<op>"gud/channel/mgud/syg_rm[0]" = 5*2 </op>
23.10.9
Predefined functions
The script language offers various string processing and standard mathematical functions. The function names listed below
are reserved and cannot be overloaded.
Function name
Description
ncfunc.cap.read
The function copies a value from the specified address into a local
variable. If the read operation was error-free, then the return variable
contains the value zero.
Contrary to the operation instruction, in the event of a fault, this func-
tion does not interrupt the processing of the script operations.
Syntax:
<function name="ncfunc.cap.read" return="error">
lokale variable, "address"</function>
Example:
<let name="error"></let>
<function name="ncfunc.cap.read" return="error"> 3,
"drive/cu/p0009"</function>
<if>
<condition>error != 0</condition>
<then>
<break />
</then>
</if>
ncfunc.cap.write
The function writes a value into the specified variable. If the write
operation was error-free, then the return variable contains the value
zero.
Contrary to the operation instruction, in the event of a fault, this func-
tion does not interrupt the processing of the script operations.
Syntax:
<function name="ncfunc.cap.write" return="error">
local variable or constant, "address"</function>
Example:
<let name="error"></let>
<function name="ncfunc.cap.write" return="error">
0, "drive/cu/p0009"</function>
<if>
<condition>error != 0</condition>
<then>
<break />
</then>
</if>

Siemens SINUMERIK 808D Specifications

General

Brand	Siemens
Model	SINUMERIK 808D
Category	Control Unit
Language	English